# If Required vs D

The clearest difference is rating: If Required at 5.0 against D's 3.7. If Required also leads on update cadence (every 9 days vs monthly). D's advantage is in-app purchases (none vs 3) and ratings volume (6 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. If Required sells 3 in-app purchases, starting at $12.99 per year. D asks for nothing beyond the download.

If Required holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

If Required ships an update every 9 days, D monthly. Both last shipped on November 4, 2026.

## The numbers

| Metric | If Required | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/if-required/id6480464945/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/d-switch/id6742772970/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 29 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [memhold inc](https://appshunter.io/developer/1739116541) | [Diode Dynamics LLC](https://appshunter.io/developer/1282220385) |

## What reviewers say

### If Required

[App page](https://appshunter.io/ios/app/if-required/id6480464945)

This app securely stores and shares vital personal information, instructions, and guidance with trusted contacts. It ensures that important details about accounts, documents, and even physical items are accessible when needed most, providing peace of mind for families.

**Highlights:** Store personal notes and guidance, Share account and document details, Provide location for physical items, Include pet care instructions, End-to-end encryption, Offline instruction support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| If Required | $12.99 | per year |
| If Required | $12.99 | one-time |
| Premium features | $34.99 | one-time |


### D

[App page](https://appshunter.io/ios/app/d-switch/id6742772970)

This app provides advanced control for a 12V accessory switch panel, allowing users to customize and manage vehicle lighting and other accessories via Bluetooth. It offers features like custom button programming, strobing patterns, and integration with vehicle signals for a seamless setup.

**Highlights:** Customizable 8-channel switch panel control, Dedicated backlight bus bar control, Group multiple outputs per button, Strobing patterns for outputs, Bluetooth connectivity with instant response, Integration with vehicle signals via trigger wires, Ignition wire for automatic activation/deactivation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is If Required free?

If Required is free to download, with in-app purchases available.

### Is D free?

D is free to download, with no in-app purchases.

### Which has better reviews, If Required or D?

If Required is rated higher. If Required averages 5.0 out of 5 from 2 ratings, while D averages 3.7 from 6 ratings.

### Do If Required or D have ads?

Neither If Required nor D shows ads.

### Which is updated more often, If Required or D?

If Required ships an update every 9 days, and D monthly. Most recently, If Required was updated on November 4, 2026 and D on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*